Reporting Station : Manassas Municipal, VA

20°C

Low clouds. Mild.

  • 96%
  • 13 km/hENE
  • 96%
    Humidity
  • 19°C
    Dew Point
  • 20°C
    Comfort Level
  • 16 km
    Visibility
  • 1020.80 mb

    Barometric Pressure
  • Air Quality
Current Time : 08:02 AM EDT  Refresh Nearest / Estimated
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SEPTEMBER 17TH, 1989-Hurricane Hugo hit the Virgin Islands, producing wind gusts to 97 mph at Saint Croix. Hurricane Hugo passed directly over the island of Saint Croix causing complete devastation and essentially cutting off the island from communications. A storm surge of five to seven feet occurred at Saint Croix. The only rain gauge left operating, at Caneel Bay, indicated 9.40 inches in 24 hours. Hurricane Hugo claimed the lives of three persons at Saint Croix, and caused more than 500 million dollars damage. A ship, Nightcap, in the harbor of Culebra, measured wind gusts as high as 170 mph.

Previously
SEPTEMBER 17TH, 1989 Hurricane Hugo hit the Virgin Islands, producing wind gusts to 97 mph at Saint Croix. Hurricane Hugo passed directly over the island of Saint Croix causing complete devastation and essentially cutting off the island from communications. A storm surge of five to seven feet occurred at Saint Croix. The only rain gauge left operating, at Caneel Bay, indicated 9.40 inches in 24 hours. Hurricane Hugo claimed the lives of three persons at Saint Croix, and caused more than 500 million dollars damage. A ship, Nightcap, in the harbor of Culebra, measured wind gusts as high as 170 mph.
 
SEPTEMBER 17TH, 1963 Heaviest rainfall in 54 years at Yuma, AZ, the result of 2.42 in (61 mm) of precipitation falling within 24 hours, a record that stands until Aug. 1977 when 2.72 in (69 mm) inundates the area.
 
SEPTEMBER 16TH, 1928 Hurricane San Felipe, a monster hurricane, which left 600 dead in Guadeloupe, and 300 dead in Puerto Rico, struck West Palm Beach FL causing enormous damage, and then headed for Lake Okeechobee. When the storm was over, the lake covered an area the size of the state of Delaware, and beneath its waters were 2000 victims. The only survivors were those who reached large hotels for safety, and a group of fifty people who got onto a raft to take their chances out in the middle of the lake.
 
SEPTEMBER 16TH, 1984 The remains of Tropical Storm Edourd began to produce torrential rains in the Lower Rio Grande Valley of Texas. Port Isabel reported more than 21 inches.
 
SEPTEMBER 15TH, 1982 A snowstorm over Wyoming produced 16.9 inches at Lander to esablish a 24 hour record for September for that location.
 
SEPTEMBER 15TH, 1752 A great hurricane produced a tide along the South Carolina coast which nearly inundated downtown Charleston. However, just before the tide reached the city, a shift in the wind caused the water level to drop five feet in ten minutes.
 
SEPTEMBER 14TH, 1944 A very destructive hurricane swept across Cape Hatteras and Chesapeake Bay, side swiped New Jersey and Long Island, and crossed southeastern Massachusetts. The hurricane killed more than four hundred persons, mainly at sea. The hurricane destroyed the Atlantic City NJ boardwalk.
 
SEPTEMBER 14TH, 1988 Hurricane Gilbert made the first of its two landfalls on Mexico, producing 170 mph winds at Cozumel.
 
SEPTEMBER 13TH, 1922 The temperature at El Azizia in Libyia soared to 136 degrees to estbalish a world record, which still stands today as the highest recorded temperature.
 
SEPTEMBER 13TH, 1928 Hurricane San Felipe crossed Puerto Rico resulting in the highest winds, the heaviest rains, and the greatest destruction in years. The hurricane produced much damage in the Virgin Islands, and later hit the Bahamas and Florida.
 
SEPTEMBER 12TH, 1977 Thunderstorms deluged the Kansas City area with torrential rains in the early morning hours, and then again that evening. Some places were deluged with more than six inches of rain twice that day, with up to 18 inches of rain reported at Independence MO. Flooding claimed the lives of 25 persons. The Country Club Plaza area was hardest hit. 2000 vehicles had to be towed following the storm, 150 of which had to be pulled out of Brush Creek, which runs through the Plaza area.
 
Wind Advisory
Issued By NWS Field Office Broadcast Time Mon, 29 Dec 2014 03:43:00 PST
Issuing Time Mon, 29 Dec 2014 03:43:00 PST Valid Until Mon, 29 Dec 2014 03:43:00 PST

Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.

History
Weather Station: Washington-Dulles International Airport , VA , US
September Data Choose another month
Averages
Average High Temperature
4.40 °C
Average Low Temperature
-6.10 °C
Average Mean Temp
-0.60 °C
Average Dew Point
-6.10 °C
Average Windspeed
20.40 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
76.0
Average Afternoon Relative Humidity
56.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
7.11
Average Snowfall (US Only)
20.30
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
*
Days With Fog
12
Days With Snow
4
Days With Lows Below Freezing
26
Days above 90° F (32.2° C)
0
Records
Record High
23.90 °C
Record Low
-27.80 °C
Record Wind Speed
100.00 km/h
Record Monthly Snowfall
73.6 cm
Record 24-hour Snowfall
27.90 cm
Record Monthly Rainfall
168 mm
Record 24-hour Rainfall
41 mm
Record Minimum Monthly Precipitation
1.02 mm
Averages
Average High Temperature
6.70 °C
Average Low Temperature
-5.00 °C
Average Mean Temp
1.10 °C
Average Dew Point
-5.60 °C
Average Windspeed
20.40 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
77.0
Average Afternoon Relative Humidity
52.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
7.11
Average Snowfall (US Only)
17.80
Daily Counts
Days With Precipitation
9
Days With Thunderstorms
*
Days With Fog
10
Days With Snow
3
Days With Lows Below Freezing
23
Days above 90° F (32.2° C)
0
Records
Record High
26.10 °C
Record Low
-25.60 °C
Record Wind Speed
85.20 km/h
Record Monthly Snowfall
71.1 cm
Record 24-hour Snowfall
58.40 cm
Record Monthly Rainfall
147 mm
Record 24-hour Rainfall
53 mm
Record Minimum Monthly Precipitation
0.51 mm
Averages
Average High Temperature
12.80 °C
Average Low Temperature
0.00 °C
Average Mean Temp
6.70 °C
Average Dew Point
-1.10 °C
Average Windspeed
20.40 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
77.0
Average Afternoon Relative Humidity
48.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
7.87
Average Snowfall (US Only)
7.60
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
1
Days With Fog
11
Days With Snow
2
Days With Lows Below Freezing
17
Days above 90° F (32.2° C)
0
Records
Record High
31.70 °C
Record Low
-14.40 °C
Record Wind Speed
98.20 km/h
Record Monthly Snowfall
27.9 cm
Record 24-hour Snowfall
15.20 cm
Record Monthly Rainfall
147 mm
Record 24-hour Rainfall
46 mm
Record Minimum Monthly Precipitation
2.54 mm
Averages
Average High Temperature
18.30 °C
Average Low Temperature
4.40 °C
Average Mean Temp
11.70 °C
Average Dew Point
3.90 °C
Average Windspeed
20.40 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
77.0
Average Afternoon Relative Humidity
46.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
7.87
Average Snowfall (US Only)
*
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
2
Days With Fog
11
Days With Snow
*
Days With Lows Below Freezing
6
Days above 90° F (32.2° C)
*
Records
Record High
33.30 °C
Record Low
-8.30 °C
Record Wind Speed
109.30 km/h
Record Monthly Snowfall
10.2 cm
Record 24-hour Snowfall
7.60 cm
Record Monthly Rainfall
185 mm
Record 24-hour Rainfall
53 mm
Record Minimum Monthly Precipitation
0.76 mm
Averages
Average High Temperature
23.30 °C
Average Low Temperature
10.00 °C
Average Mean Temp
17.20 °C
Average Dew Point
10.60 °C
Average Windspeed
13.00 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
82.0
Average Afternoon Relative Humidity
53.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
10.15
Average Snowfall (US Only)
*
Daily Counts
Days With Precipitation
12
Days With Thunderstorms
4
Days With Fog
15
Days With Snow
0
Days With Lows Below Freezing
*
Days above 90° F (32.2° C)
1
Records
Record High
36.10 °C
Record Low
-2.20 °C
Record Wind Speed
85.20 km/h
Record Monthly Snowfall
* cm
Record 24-hour Snowfall
* cm
Record Monthly Rainfall
261 mm
Record 24-hour Rainfall
79 mm
Record Minimum Monthly Precipitation
2.03 mm
Averages
Average High Temperature
28.30 °C
Average Low Temperature
15.00 °C
Average Mean Temp
21.70 °C
Average Dew Point
16.10 °C
Average Windspeed
11.10 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
84.0
Average Afternoon Relative Humidity
54.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
9.90
Average Snowfall (US Only)
0.00
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
6
Days With Fog
16
Days With Snow
0
Days With Lows Below Freezing
0
Days above 90° F (32.2° C)
5
Records
Record High
37.80 °C
Record Low
2.20 °C
Record Wind Speed
118.50 km/h
Record Monthly Snowfall
0.0 cm
Record 24-hour Snowfall
0.00 cm
Record Monthly Rainfall
462 mm
Record 24-hour Rainfall
279 mm
Record Minimum Monthly Precipitation
1.27 mm
Averages
Average High Temperature
30.60 °C
Average Low Temperature
17.80 °C
Average Mean Temp
24.40 °C
Average Dew Point
18.30 °C
Average Windspeed
11.10 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
85.0
Average Afternoon Relative Humidity
54.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
8.88
Average Snowfall (US Only)
0.00
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
6
Days With Fog
19
Days With Snow
0
Days With Lows Below Freezing
0
Days above 90° F (32.2° C)
11
Records
Record High
40.00 °C
Record Low
5.00 °C
Record Wind Speed
125.90 km/h
Record Monthly Snowfall
0.0 cm
Record 24-hour Snowfall
0.00 cm
Record Monthly Rainfall
180 mm
Record 24-hour Rainfall
66 mm
Record Minimum Monthly Precipitation
2.28 mm
Averages
Average High Temperature
30.00 °C
Average Low Temperature
17.20 °C
Average Mean Temp
23.30 °C
Average Dew Point
17.80 °C
Average Windspeed
11.10 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
88.0
Average Afternoon Relative Humidity
55.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
10.15
Average Snowfall (US Only)
0.00
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
5
Days With Fog
21
Days With Snow
0
Days With Lows Below Freezing
0
Days above 90° F (32.2° C)
8
Records
Record High
40.00 °C
Record Low
3.30 °C
Record Wind Speed
109.30 km/h
Record Monthly Snowfall
0.0 cm
Record 24-hour Snowfall
0.00 cm
Record Monthly Rainfall
272 mm
Record 24-hour Rainfall
119 mm
Record Minimum Monthly Precipitation
2.03 mm
Averages
Average High Temperature
26.10 °C
Average Low Temperature
12.80 °C
Average Mean Temp
19.40 °C
Average Dew Point
14.40 °C
Average Windspeed
11.10 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
89.0
Average Afternoon Relative Humidity
55.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
8.63
Average Snowfall (US Only)
0.00
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
2
Days With Fog
19
Days With Snow
0
Days With Lows Below Freezing
*
Days above 90° F (32.2° C)
3
Records
Record High
37.20 °C
Record Low
-1.10 °C
Record Wind Speed
87.00 km/h
Record Monthly Snowfall
0.0 cm
Record 24-hour Snowfall
0.00 cm
Record Monthly Rainfall
287 mm
Record 24-hour Rainfall
140 mm
Record Minimum Monthly Precipitation
1.52 mm
Averages
Average High Temperature
20.00 °C
Average Low Temperature
5.60 °C
Average Mean Temp
12.80 °C
Average Dew Point
7.20 °C
Average Windspeed
11.10 km/h
Average Wind Direction
180.0
Average Morning Relative Humidity
88.0
Average Afternoon Relative Humidity
52.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
8.38
Average Snowfall (US Only)
*
Daily Counts
Days With Precipitation
8
Days With Thunderstorms
1
Days With Fog
15
Days With Snow
*
Days With Lows Below Freezing
5
Days above 90° F (32.2° C)
*
Records
Record High
32.20 °C
Record Low
-9.40 °C
Record Wind Speed
83.30 km/h
Record Monthly Snowfall
2.5 cm
Record 24-hour Snowfall
2.50 cm
Record Monthly Rainfall
234 mm
Record 24-hour Rainfall
104 mm
Record Minimum Monthly Precipitation
* mm
Averages
Average High Temperature
13.90 °C
Average Low Temperature
1.10 °C
Average Mean Temp
7.80 °C
Average Dew Point
1.70 °C
Average Windspeed
18.50 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
83.0
Average Afternoon Relative Humidity
54.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
8.12
Average Snowfall (US Only)
2.50
Daily Counts
Days With Precipitation
9
Days With Thunderstorms
1
Days With Fog
12
Days With Snow
1
Days With Lows Below Freezing
15
Days above 90° F (32.2° C)
0
Records
Record High
28.90 °C
Record Low
-12.80 °C
Record Wind Speed
85.20 km/h
Record Monthly Snowfall
27.9 cm
Record 24-hour Snowfall
27.90 cm
Record Monthly Rainfall
198 mm
Record 24-hour Rainfall
61 mm
Record Minimum Monthly Precipitation
0.51 mm
Averages
Average High Temperature
7.20 °C
Average Low Temperature
-3.30 °C
Average Mean Temp
2.20 °C
Average Dew Point
-3.30 °C
Average Windspeed
20.40 km/h
Average Wind Direction
315.0
Average Morning Relative Humidity
78.0
Average Afternoon Relative Humidity
57.0
Typical Sky Cover
OVR
Average Precipitation (US Only)
8.12
Average Snowfall (US Only)
10.20
Daily Counts
Days With Precipitation
10
Days With Thunderstorms
*
Days With Fog
12
Days With Snow
2
Days With Lows Below Freezing
24
Days above 90° F (32.2° C)
0
Records
Record High
25.60 °C
Record Low
-20.00 °C
Record Wind Speed
100.00 km/h
Record Monthly Snowfall
60.9 cm
Record 24-hour Snowfall
27.90 cm
Record Monthly Rainfall
170 mm
Record 24-hour Rainfall
74 mm
Record Minimum Monthly Precipitation
1.02 mm
Day   Reason Upper Soil Moisture Lower Soil Moisture
Tuesday cw_fire_vlow
Fire danger very low 18% 24%
Wednesday cw_fire_vlow
Fire danger very low 18% 24%
Thursday cw_fire_low
Fire danger low 18% 24%
Friday cw_fire_low
Fire danger low 18% 24%
Saturday cw_fire_low
Fire danger low 18% 24%
Sunday cw_fire_low
Fire danger low 18% 24%
Snow conditions provided by SnoCountry Mountain Reports™

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